The Snow ML Half Zip from Mammut is designed for on snow performance and strenuous activity. This quick-drying half zip features UV50+ protection and an antimicrobial finish to help prevent odor; the dynamic cut along with flat lock seams reduce bulk making this top perfect for layering in cool conditions.

I wore this shirt mostly as a baselayer under my down jacket and was perfectly warm and dry. I liked this shirt because it was a bit longer than some of the other brands I've tried. Fit was great. I'm a medium, 5'4, 130 lbs.